First steps: how upright walking made us human

PART I: THE ORIGIN OF UPRIGHT WALKING

How we walk

T. rex, the Carolina Butcher, and the first bipeds

"How the human stood upright" and other just-so stories about bipedalism

Lucy's ancestors

Ardi and the river gods

PART II: BECOMING HUMAN

Ancient footprints

Many ways to walk a mile

Hominins on the the move

Migration to Middle Earth

PART III: WALK OF LIFE

Baby steps

Birth and bipedalism

Gait differences and what they mean

Myokines and the cost of immobility

Why walking helps us think

Of ostrich feet and knee replacements

Conclusion: The empathetic ape.